Ferguson, Niall
The ascent of money: a financial history of the world
Penguin Books, 2009
Buku Teks
The world system and the earth system
edited by Alf Hornborg and Carole L. Crumley
Left Coast Press, 2007
Buku Teks
Barnett, Arthur Doak
China and the world food system
Overseas Development Council, 1979
Buku Teks
Fischer, Fritz
World power or decline: the controversy over Germany's aims in the First World War / Fritz Fischer ; translated by Lancelot L. Farrar, Robert Kimber, and Rita Kimber
W. W. Norton, 1974
Buku Teks
Waugh, Evelyn, 1903-1966
Decline and fall
Everyman's Library, 1993
Buku Teks